Home / 15,143.95-22,715.73-5,283.19

Finding the Fourth Proportional to 15,143.95, 22,715.73 and 5,283.19

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Solution

The fourth proportional to 15,143.95, 22,715.73 and 5,283.19 is: 7,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.95 : 22,715.73 = 5,283.19 : x
  2. Step 2: Convert to fraction form
    15,143.95/22,715.73 = 5,283.19/x
  3. Step 3: Cross multiply
    15,143.95x = 22,715.73 × 5,283.19
  4. Step 4: Simplify right side
    15,143.95x = 120,011,517.58
  5. Step 5: Solve for x
    x = 120,011,517.58/15,143.95
  6. Step 6: Final answer
    x = 7,924.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.